By using `s3cmd` through PowerShell instead of Git Bash we improve
upload speeds on Windows slightly, as described here:
https://github.com/status-im/infra-ci/issues/40
Signed-off-by: Jakub Sokołowski <jakub@status.im>
Linux dockerized build and AppDir generation for compilation errors
Also added AppImage TODOs, basic setup for MacOS and Windows but they
still need work to have at least validation running
Temporary disable CPP windows/mac until limitations are
addressed in a follow up commit
Extra: add build configuration fixes for rest of the platforms
closes: #5998